Micro 100 DR-046-2 3/64" Carbide 118 Deg Jobber Drill Bit

Micro 100 3/64" Carbide Jobber Drill Bit

This Micro 100 drill bit uses solid carbide construction for drilling hardened materials and abrasive alloys. The 118-degree conventional point starts cleanly without a pilot hole. Bright uncoated finish suits general-purpose machining. Tolerance of +.0000/-0.0005 inches ensures repeatable hole size in CNC and manual operations.

Capacity and headroom for small-diameter precision

At 3/64 inch diameter the bit handles tight-tolerance holes in tool steel, stainless steel and high-silicon aluminium. Carbide substrate resists wear far longer than high-speed steel in these materials. The jobber-length flute clears chips in depths up to several diameters. In softer plastics or wood the aggressive point can grab; reduce feed or choose a sharper angle for those jobs.

Upgrade from HSS jobbers when tool life matters

Shops replacing worn high-speed steel bits gain longer intervals between changes and tighter size control. The jump pays off in batch runs where re-sharpening downtime hurts throughput. For one-off holes in mild steel or non-ferrous metals a standard HSS bit remains adequate and less brittle.